feat: add telegram bot

lib/openai.ts

@@ -228,3 +228,21 @@ export async function extractRecipe(content: string) {
 
   return recipeResponseSchema.parse(completion.choices[0].message.parsed);
 }
+
+export async function transcribe(
+  mp3Data: Uint8Array,
+): Promise<string | undefined> {
+  if (!openAI) return;
+
+  const file = new File([mp3Data], "audio.mp3", {
+    type: "audio/mpeg",
+  });
+
+  const result = await openAI.audio.transcriptions.create({
+    file,
+    model: "whisper-1",
+    response_format: "text",
+  });
+
+  return result;
+}